/******************************************************************************* OpenAirInterface Copyright(c) 1999 - 2014 Eurecom OpenAirInterface is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. OpenAirInterface is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenAirInterface.The full GNU General Public License is included in this distribution in the file called "COPYING". If not, see . Contact Information OpenAirInterface Admin: openair_admin@eurecom.fr OpenAirInterface Tech : openair_tech@eurecom.fr OpenAirInterface Dev : openair4g-devel@eurecom.fr Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France. *******************************************************************************/ #include #include #include #include "TLVEncoder.h" #include "TLVDecoder.h" #include "LocationAreaIdentification.h" int decode_location_area_identification(LocationAreaIdentification *locationareaidentification, uint8_t iei, uint8_t *buffer, uint32_t len) { int decoded = 0; if (iei > 0) { CHECK_IEI_DECODER(iei, *buffer); decoded++; } locationareaidentification->mccdigit2 = (*(buffer + decoded) >> 4) & 0xf; locationareaidentification->mccdigit1 = *(buffer + decoded) & 0xf; decoded++; locationareaidentification->mncdigit3 = (*(buffer + decoded) >> 4) & 0xf; locationareaidentification->mccdigit3 = *(buffer + decoded) & 0xf; decoded++; locationareaidentification->mncdigit2 = (*(buffer + decoded) >> 4) & 0xf; locationareaidentification->mncdigit1 = *(buffer + decoded) & 0xf; decoded++; //IES_DECODE_U16(locationareaidentification->lac, *(buffer + decoded)); IES_DECODE_U16(buffer, decoded, locationareaidentification->lac); #if defined (NAS_DEBUG) dump_location_area_identification_xml(locationareaidentification, iei); #endif return decoded; } int encode_location_area_identification(LocationAreaIdentification *locationareaidentification, uint8_t iei, uint8_t *buffer, uint32_t len) { uint32_t encoded = 0; /* Checking IEI and pointer */ CHECK_PDU_POINTER_AND_LENGTH_ENCODER(buffer, LOCATION_AREA_IDENTIFICATION_MINIMUM_LENGTH, len); #if defined (NAS_DEBUG) dump_location_area_identification_xml(locationareaidentification, iei); #endif if (iei > 0) { *buffer = iei; encoded++; } *(buffer + encoded) = 0x00 | ((locationareaidentification->mccdigit2 & 0xf) << 4) | (locationareaidentification->mccdigit1 & 0xf); encoded++; *(buffer + encoded) = 0x00 | ((locationareaidentification->mncdigit3 & 0xf) << 4) | (locationareaidentification->mccdigit3 & 0xf); encoded++; *(buffer + encoded) = 0x00 | ((locationareaidentification->mncdigit2 & 0xf) << 4) | (locationareaidentification->mncdigit1 & 0xf); encoded++; IES_ENCODE_U16(buffer, encoded, locationareaidentification->lac); return encoded; } void dump_location_area_identification_xml(LocationAreaIdentification *locationareaidentification, uint8_t iei) { printf("\n"); if (iei > 0) /* Don't display IEI if = 0 */ printf(" 0x%X\n", iei); printf(" %u\n", locationareaidentification->mccdigit2); printf(" %u\n", locationareaidentification->mccdigit1); printf(" %u\n", locationareaidentification->mncdigit3); printf(" %u\n", locationareaidentification->mccdigit3); printf(" %u\n", locationareaidentification->mncdigit2); printf(" %u\n", locationareaidentification->mncdigit1); printf(" %u\n", locationareaidentification->lac); printf("\n"); }